oop

src/view/chart.go

@@ -3,6 +3,8 @@ package view
 import (
 	"fmt"
 	"io"
+	"slices"
+	"strings"
 
 	"github.com/go-echarts/go-echarts/v2/charts"
 	"github.com/go-echarts/go-echarts/v2/opts"
@@ -123,6 +125,20 @@ func (pie *Pie) AddX(v interface{}) {
 }
 
 func (pie *Pie) Render(w io.Writer) error {
+	slices.SortFunc(pie.series, func(a, b opts.PieData) int {
+		return strings.Compare(a.Name, b.Name)
+	})
+	commonPrefixLen := -1
+	for i := 0; i < len(pie.series[0].Name) && i < len(pie.series[len(pie.series)-1].Name); i++ {
+		if pie.series[0].Name[i] != pie.series[len(pie.series)-1].Name[i] {
+			break
+		}
+		commonPrefixLen = i
+	}
+	for i := range pie.series {
+		pie.series[i].Name = pie.series[i].Name[commonPrefixLen+1:]
+	}
+
 	pie.AddSeries("", pie.series)
 	pie.SetGlobalOptions(charts.WithLegendOpts(opts.Legend{
 		Show: false,